B:
Although there are almost 100 elements in nature, only six of them compose 99% of our body’s mass— carbon, oxygen, hydrogen, nitrogen, calcium, and phosphorus.
Answer:
In talc preparation, it is used during the filtration process and also acts as a distribution agent. When it is added to the dill water, it combines with all other compounds present in the substance and leaves the water alone. In this way, it acts as a filtering agent.
Explanation:
it has already been answered
Answer:
False
Explanation:
The farther away a planet is, the colder it is.
<u>Answer:</u> The correct option is C) 1.68 mol/L
<u>Explanation:</u>
Molarity is defined as the amount of solute expressed in the number of moles present per liter of solution. The units of molarity are mol/L. The formula used to calculate molarity:
.....(1)
Given values:
Given mass of
= 150 g
Molar mass of
= 180 g/mol
Volume of the solution = 0.50 L
Putting values in equation 1, we get:

Hence, the correct option is C) 1.68 mol/L